Here is a demo for the game containing 5 of the 14 levels. Sounds are enabled,more info is available in the installer.
This is a 100% Free product from Zuige.net and Paradox Studios,
Left Click-Open doors/Fire weapon
Up arrow-bring up pause menu
nextstage-go to next stage
promovideowatcher-Go to extras screen
Click on top left glowing corner to unlock Fordo outfit.